Multi-surface type negative pressure waste gas collecting and treating device

Abstract

The utility model relates to a multi-surface type negative pressure waste gas collecting and treating device which comprises a rack, a gas collecting unit, a spraying unit, a folded plate demisting unit, a filtering unit and an exhaust unit, the rack is provided with a working table, a top waste gas collecting port located at the top of the working table, a front side waste gas collecting port located at the front side of the working table, a purification chamber, a gas inlet and a gas outlet, the purification chamber is communicated with the gas inlet and the gas outlet respectively, the gas collecting unit comprises two anti-explosion negative-pressure fans, and in the two anti-explosion negative-pressure fans, one air inlet is communicated with the top waste gas collecting port, and the other air inlet is communicated with the front side waste gas collecting port. Air outlets of the two anti-explosion negative-pressure fans are communicated with the air inlet, and air outlets of the two anti-explosion negative-pressure fans are communicated with the air inlet; the spraying unit, the folded plate demisting unit and the filtering unit are sequentially located in the purification chamber from bottom to top, and the air outlet is connected with the air exhaust unit to exhaust air. The device realizes negative pressure collection and purification treatment of waste gas on the upper side and the front side, can collect the waste gas volatilized and escaped in multiple directions, and maximally collects the waste gas.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas collection and treatment, in particular to a multi-faceted negative pressure waste gas collection and treatment device. Background Art

[0002] Therefore, my country has gradually increased its attention to waste gas treatment, continuously and in-depth development of waste gas treatment related technologies, and improved the efficiency of comprehensive waste gas treatment.

[0003] Therefore, in order to carry out efficient waste gas treatment based on the actual needs of industrial production and waste gas treatment, effective waste gas collection devices become particularly important.

[0004] Existing industrial waste gases are diverse, with different physical and chemical properties and different ways of generation.

[0005] Existing collection devices are generally targeted at pollution sources in a fixed direction, and are ineffective for exhaust gases that evaporate and escape in multiple directions.

[0006] Therefore, in the utility model patent application, the applicant carefully studied a multi-faceted negative pressure exhaust gas collection and treatment device to solve the above problems. Utility Model Content

[0007] The utility model aims to overcome the deficiencies of the above-mentioned prior art, and its main purpose is to provide a multi-sided negative pressure exhaust gas collection and treatment device, which can realize negative pressure collection and purification of exhaust gas from above and the front side, and can collect exhaust gas that evaporates and escapes in multiple directions, thereby maximizing the collection of exhaust gas.

[0008] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0009] A multi-faceted negative pressure exhaust gas collection and treatment device comprises a frame, a gas collecting unit for negative pressure traction of exhaust gas and dust, a spraying unit for spraying the traction of exhaust gas and dust, a folding plate demisting unit for demisting the sprayed exhaust gas and dust, a filtering unit for filtering the demisted gas, and an exhaust unit for discharging the filtered gas;

[0010] The frame comprises a workbench, a top exhaust gas collecting port located on the top of the workbench, a front exhaust gas collecting port located on the front side of the workbench, a purification chamber, an air inlet and an air outlet,

[0011] The purification chamber is connected to the air inlet and the air outlet respectively, and the air collection unit includes two explosion-proof negative pressure fans, one of which has an air inlet connected to the top exhaust gas collection port, and the other is connected to the front exhaust gas collection port, and the air outlets of the two explosion-proof negative pressure fans are both connected to the air inlet;

[0012] The spray unit, the folding plate demisting unit and the filtering unit are sequentially arranged in the purification room from bottom to top, and the gas outlet is connected to the exhaust unit to discharge the gas;

[0013] It also includes a main control unit, which is connected to the air collection unit, the exhaust unit and the spray unit respectively.

[0014] As a preferred solution, the folded plate defogger unit includes a plurality of mutually parallel defogger folded plates, and all the defogger folded plates are located between the spray unit and the filter unit.

[0015] As a preferred solution, the material used for the defogger folding plate is plastic steel material.

[0016] As a preferred solution, the filtering unit is a primary filter.

[0017] As a preferred solution, the primary filter is a replaceable primary filter.

[0018] Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it mainly cooperates with the main control unit, the top exhaust gas collection port, the front exhaust gas collection port, the gas collection unit, the spray unit, the folding plate defogger unit and the filter unit to realize negative pressure collection and purification of the exhaust gas above and in the front, and can collect the exhaust gas that evaporates and escapes in multiple directions, thereby maximizing the collection of exhaust gas.

[0019] In order to more clearly illustrate the structural features and effects of the present invention, it is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a general control principle block diagram of an embodiment of the utility model.

[0021] Figure 2 It is a structural schematic diagram of an embodiment of the utility model;

[0022] Figure 3 It is a partial cross-sectional enlarged structural schematic diagram of an embodiment of the utility model (mainly showing the purification chamber, the spray pipe, the spray head, the demister folding plate and the primary filter).

[0023] Description of Figure Numbers:

[0024] 10. Rack

[0025] 11. Workbench

[0026] 12. Cleanroom

[0027] 21. Explosion-proof negative pressure fan

[0028] 31. Water tank 32. Water pump

[0029] 33. Sprinkler pipe 331. Sprinkler head

[0030] 41. Demisting plate 51. Primary filter

[0031] 61. Explosion-proof axial flow fan 70. Main control unit. DETAILED DESCRIPTION

[0032] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods.

[0033] like Figures 1 to 3 As shown, a multi-faceted negative pressure exhaust gas collection and treatment device includes a frame 10, a gas collecting unit for negative pressure traction of exhaust gas dust, a spraying unit for spraying the traction exhaust gas dust, a folding plate demisting unit for demisting the sprayed exhaust gas dust, a filtering unit for filtering the demisted gas, and an exhaust unit for discharging the filtered gas;

[0034] The frame 10 has a workbench 11, a top exhaust gas collection port located on the top of the workbench 11, a front exhaust gas collection port located on the front side of the workbench 11, a purification chamber 12, an air inlet and an air outlet.

[0035] The purification chamber 12 is connected to the air inlet and the air outlet respectively, and the air collection unit includes two explosion-proof negative pressure fans 21 connected to the main control unit 70 described below, and one of the two explosion-proof negative pressure fans 21 is connected to the top exhaust gas collection port, and the other is connected to the front exhaust gas collection port, and the air outlets of the two explosion-proof negative pressure fans 21 are connected to the air inlet;

[0036] The spray unit, the folding plate demisting unit and the filtering unit are sequentially arranged in the purification chamber 12 from bottom to top, and the gas outlet is connected to the exhaust unit to discharge the gas;

[0037] The main control unit 70 is also included, and the main control unit 70 is connected to the air collecting unit, the exhaust unit and the spraying unit respectively. The frame 10 is a 304 stainless steel frame.

[0038] The spray unit includes a water tank 31, a water pump 32, a water pipe and a spray pipe 33 connected in sequence. The spray pipe 33 is located in the purification chamber 12 and is provided with spray heads 331 arranged at intervals for spraying. The water pump 32 is connected to the main control unit 70.

[0039] In this embodiment, the folding plate defogger unit includes a plurality of mutually parallel defogger folding plates 41, and all defogger folding plates 41 are located between the spray unit and the filter unit. All defogger folding plates 41 are located above the spray pipe 33. Preferably, the defogger folding plates 41 are made of plastic steel. The defogger folding plates 41 made of plastic steel can ensure the treatment effect, resist corrosion and aging, and can also adapt to the influence of highly polluted and corrosive materials, reducing device failures.

[0040] The filter unit is a primary filter 51. The primary filter 51 is a replaceable primary filter 51. The primary filter 51 is used to filter dust that is not removed by the spray unit.

[0041] The primary filter 51 has three styles: plate type, folding type and bag type. The outer frame materials of the primary filter 51 include paper frame, aluminum frame and galvanized iron frame. The filter materials of the primary filter 51 include non-woven fabric, nylon mesh, activated carbon filter material, metal mesh, etc. The protective net of the primary filter 51 includes double-sided plastic-sprayed wire mesh and double-sided Galvanized Wire Mesh , can be selected according to various types of exhaust gas. A paper frame plate type primary filter 51 or a nylon mesh primary filter 51 can be used.

[0042] The exhaust unit includes two explosion-proof axial flow fans 61 connected to the main control unit 70 and arranged symmetrically on the left and right. The air outlets of the two explosion-proof axial flow fans 61 are connected to the gas outlet to exhaust the gas.

[0043] Next, the working principle of this embodiment is roughly described:

[0044] A negative pressure area is formed on the front side and top of the horizontal workbench 11. The waste gas and dust generated in the negative pressure area will be drawn into the purification chamber 12 by the negative pressure of the air collection unit, first pass through the spray unit to wash most of the particulate matter, water-soluble pollutants, etc., and then pass through the demister folding plate 41 and the primary filter layer to remove them in turn, and finally be discharged through the exhaust unit.

[0045] The key points of the design of the utility model are that it mainly cooperates with the main control unit, the top exhaust gas collection port, the front exhaust gas collection port, the gas collection unit, the spray unit, the folding plate defogger unit and the filter unit to realize negative pressure collection and purification of the exhaust gas above and in the front, and can collect the exhaust gas that evaporates and escapes in multiple directions, thereby maximizing the collection of exhaust gas.

[0046] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any minor modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A multi-faceted negative pressure exhaust gas collection and treatment device, characterized in that: It includes a frame, a gas collecting unit for negative pressure pulling exhaust gas and dust, a spraying unit for spraying the pulled exhaust gas and dust, a folding plate demisting unit for demisting the sprayed exhaust gas and dust, a filtering unit for filtering the demisted gas, and an exhaust unit for discharging the filtered gas; The frame comprises a workbench, a top exhaust gas collecting port located on the top of the workbench, a front exhaust gas collecting port located on the front side of the workbench, a purification chamber, an air inlet and an air outlet, The purification chamber is connected to the air inlet and the air outlet respectively, and the air collection unit includes two explosion-proof negative pressure fans, one of which has an air inlet connected to the top exhaust gas collection port, and the other is connected to the front exhaust gas collection port, and the air outlets of the two explosion-proof negative pressure fans are both connected to the air inlet; The spray unit, the folding plate demisting unit and the filtering unit are sequentially arranged in the purification room from bottom to top, and the gas outlet is connected to the exhaust unit to discharge the gas; It also includes a main control unit, which is connected to the air collection unit, the exhaust unit and the spray unit respectively.

2. The multi-surface negative pressure exhaust gas collection and treatment device according to claim 1 is characterized in that: The folding plate defogger unit comprises a plurality of mutually parallel defogger folding plates, and all the defogger folding plates are located between the spray unit and the filter unit.

3. The multi-surface negative pressure exhaust gas collection and treatment device according to claim 2 is characterized in that: The material adopted for the demister folding plate is plastic steel material.

4. The multi-surface negative pressure exhaust gas collection and treatment device according to claim 1 is characterized in that: The filtering unit is a primary filter.

5. The multi-surface negative pressure exhaust gas collection and treatment device according to claim 4 is characterized in that: The primary filter is a replaceable primary filter.

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